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CHARACTERIZATION OF REFRACTORY BEHAVIOUR OF KALETAS GOLD ORE BY ULTRAFINE GRINDING AND DIAGNOSTIC LEACHING

O. Celep, I. Alp, H. Deveci, T. Yilmaz

First published: 2005DOI pendingView metrics

Abstract

In this study, diagnostic leaching and ultrafine grinding as pretreatment step ahead of two-stage cyanidation of KaletaЕџ ore were studied to shed light on the refractory characteristics of ore. The overall gold extraction of 93\% was achieved in two-stage cyanidation of ultrafinely ground ore suggesting the presence of readily recoverable gold (74\%) and slowly reacting gold (19\%) in the ore. Diagnostic leaching approach provided information into the cause of the refractoriness of the ore. The findings of diagnostic leaching tests suggested that the refractoriness could be due to the dissemination and encapsulation of the very fine gold particles largely within the carbonates, oxides and sulfides and, to a small extent, within silicates present in the ore matrix .

Publication details

Title
CHARACTERIZATION OF REFRACTORY BEHAVIOUR OF KALETAS GOLD ORE BY ULTRAFINE GRINDING AND DIAGNOSTIC LEACHING
Authors
O. Celep, I. Alp, H. Deveci, T. Yilmaz
Proceedings
5th International Scientific Conference - SGEM2005
Publisher
SGEM Scientific GeoConference
Year
2005
Pages
169-176
ISSN
1314-2704
ISBN
954-918181-2
Language
en
Publication type
Conference Paper
Proceedings contents
Open official contents
References5

  1. Alp, İ., Celep, O., Tüysüz, N., V ıcıl, M., Lermi, A., 2003; Effect on Ore Processing of Mineralogical Structur e: Model Study on Mastra and Kaleta ş Gold Ores, Proc. of 18 th International Mining Congress and Ex hibitions of Turkey, 10-13 June,

  2. Antalya, Turkey, (in Turkish).

  3. Browner, R.E., Lee, K. H., 1998; Effect of Pyrrhotite Reactivity on Cyanidation of Pyrrhotite Produced By Pyrolysis of A Sulphide Ore, Minerals Engineering, Vol.11, No.9, pp.813-820.

  4. Costa, M.C., 1997; Hydrometallurgy of gold: New perspectives and treatment of refractory sulphide ores, Fizykochemiczne Problemy Mineralurgü, Vol. 63, pp.63-72

  5. Dunn, J.G., Chamberlain, A.C., 1997; The recovery of gold from refractory arsenopyrite concentrates by pyrolysis-oxidation, Minerals Engineering ,Vol.10, No.9, pp.919-928. Gönen, N., 1999; Gümü şhane–Kaletaş Cevherinden Siyanürleme Yöntemiyle Altın Kazanımı, M.T.A. Rap No:1324, Ankara, (in Turkish). 5th International Multidisciplinary Scientific GeoConference SGEM2005 www.sgem.org International Conference

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